#436EC5#436EC5

#436EC5 is a mid, vivid blue. Relative luminance 0.164; OKLCH L 55.2% C 0.144 H 262.8°. Best body text is #FFFFFF at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#436EC5
RGB	rgb(67, 110, 197)
HSL	hsl(220, 53%, 52%)
HSV	hsv(220, 66%, 77%)
CMYK	cmyk(66%, 44.2%, 0%, 22.7%)
CIE-LAB	lab(47.46, 13.40, -49.89)
CIE-LCH	lch(47.46, 51.66, 285.04°)
OKLab	oklab(55.15% -0.018 -0.1425)
OKLCH	oklch(55.15% 0.144 262.8)
XYZ	xyz(17.9652, 16.3746, 55.0264)
Luminance	0.1638 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#436EC5 #C59A43

analogous

#43AFC5 #436EC5 #5943C5

triadic

#436EC5 #C5436E #6EC543

tetradic

#436EC5 #C543AF #C59A43 #43C559

square

#436EC5 #C543AF #C59A43 #43C559

split-complementary

#436EC5 #C55943 #AFC543

monochromatic

#213A6C #30539B #436EC5 #7292D3 #A1B6E2

Accessibility & contrast

On white

4.91

#436EC5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.28

#436EC5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #436EC5

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##436EC5	#FFFFFF	#000000	##FFFFFF
##436EC5	1.00	4.91	4.28	4.91
#FFFFFF	4.91	1.00	21.00	1.00
#000000	4.28	21.00	1.00	21.00
##FFFFFF	4.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4477C8

Deuteranopia (green-blind)

#2E6BC3

Tritanopia (blue-blind)

#008290

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #436ec5;
/* rgb */ color: rgb(67, 110, 197);
/* oklch */ color: oklch(55.2% 0.144 262.8);

Tailwind

colors: {
  custom: {
    50: '#8497d7',
    500: '#436ec5',
    950: '#000000',
  },
}

SCSS

$custom: #436ec5;
$custom-light: #8497d7;
$custom-dark: #000000;

JSON

{
  "hex": "#436ec5",
  "rgb": {
    "r": 67,
    "g": 110,
    "b": 197
  },
  "hsl": {
    "h": 220.154,
    "s": 52.846,
    "l": 51.765
  },
  "oklch": {
    "l": 0.55152,
    "c": 0.14366,
    "h": 262.8
  },
  "luminance": 0.16376
}

Semantic roles & 50–950 ramp

primary

#436EC5

secondary

#CEBC95

accent

#AC4CDC

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0D14

muted

#7D7E83

Preview Lab

Preview with #436EC5

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →